Station Overview

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legend Overview at SBUS
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Network CH
Station Code SBUS
Station Description Buochs, Nidwalden NW
Latitude (WGS84) 46.97891
Longitude (WGS84) 8.420467
Station altitude (CH1903) 436.0
running from 2019-05-19
...until now
Waveform Access open
Sensor Types Accelerometer
Geological Unit Alluvium (unconsolidated debris)
Site Morphology Class T1
T1: flat; T2: slope; T3: ridge and T4: steep ridge;
following Pessina and Fiorini (2014) A GIS procedure for fast topographic characterization of seismic recording stations, Soil Dynamics and Earthquake Engineering, 63, p248-258
Site Morphology Description Fluvial geomorphology: alluvial slope, plain, cone
Ground type EC8 C
Ground type SIA C/D
Basin Information not in a sedimentary basin with possible 2D/3D effects
Reference Hobiger Manuel, Imperatori W., Bergamo P. & Fäh D., "SITE CHARACTERIZATION REPORT Buochs (NW) - Hafen", Swiss Seismological Service, ETH Zürich, 2017
Resonance Frequency (Hz) .67
Uncertainty Factor -
Vs 30 (m/s) 303
Location Map


Federal Office of Topograpy: National Map 1:25‘000
Topography Map


Federal Office of Topograpy: DHM25: Digital Height Model 1:25000
Geology Map

Federal Office of Topograpy: Geological map of Switzerland 1:500‘000

Sensor locations

Location Code 05
Opening Date 19-05-2019
End Date -
Housing Class Free field
Housing Description buried in the earth
sensor depth below station 5.2 m
Distance to Building (m) -
Location Code 07
Opening Date 19-05-2019
End Date -
Housing Class Free field
Housing Description buried in the earth
sensor depth below station 6.5 m
Distance to Building (m) -
Location Code 11
Opening Date 19-05-2019
End Date -
Housing Class Free field
Housing Description buried in the earth
sensor depth below station 10.5 m
Distance to Building (m) -
Location Code 14
Opening Date 19-05-2019
End Date -
Housing Class Free field
Housing Description buried in the earth
sensor depth below station 13.5 m
Distance to Building (m) -
Location Code 15
Opening Date 19-05-2019
End Date -
Housing Class Free field
Housing Description buried in the earth
sensor depth below station 15.2 m
Distance to Building (m) -
Location Code 17
Opening Date 19-05-2019
End Date -
Housing Class Free field
Housing Description buried in the earth
sensor depth below station 16.9 m
Distance to Building (m) -
Location Code BT
Opening Date 20-06-2019
End Date -
Housing Class Borehole
Housing Description casing: plastic; casing length: 100m; inner diameter: 99mm; locking mechanism: glass bead; wet
sensor depth below station 100.0 m
Distance to Building (m) -
Location Code M1
Opening Date 20-06-2019
End Date -
Housing Class Borehole
Housing Description casing: plastic; casing length: 26m; inner diameter: 99mm; locking mechanism: glass bead; wet
sensor depth below station 26.0 m
Distance to Building (m) -
Location Code SF
Opening Date 19-05-2019
End Date 2024-04-22
Housing Class Free field
Housing Description concrete pipe vault, diameter 60cm, closed with manhole cover, Foundation with anchor, sensor bolted to the Foundation
sensor depth below station 1.0 m
Distance to Building (m) -

Current Instrumentation

Location code 05
On date 19-05-2019 00:00:00
Off date -
Sensor model Keller Pressure Sensor
Sensor manufacturer Keller
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HDH
Stream Noise (last week) HDH
Location code 07
On date 19-05-2019 00:00:00
Off date -
Sensor model PA-10-5
Sensor manufacturer Gloetzl
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HDH
Stream Noise (last week) HDH
Location code 11
On date 19-05-2019 00:00:00
Off date -
Sensor model PA-10-5
Sensor manufacturer Gloetzl
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HDH
Stream Noise (last week) HDH
Location code 14
On date 19-05-2019 00:00:00
Off date -
Sensor model PA-10-5
Sensor manufacturer Gloetzl
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HDH
Stream Noise (last week) HDH
Location code 15
On date 19-05-2019 00:00:00
Off date -
Sensor model PA-10-5
Sensor manufacturer Gloetzl
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HDH
Stream Noise (last week) HDH
Location code 17
On date 19-05-2019 00:00:00
Off date -
Sensor model PA-10-5
Sensor manufacturer Gloetzl
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HDH
Stream Noise (last week) HDH
Location code BT
On date 20-06-2019 00:00:00
Off date -
Sensor model HypoSensor ES-DH
Sensor manufacturer Kinemetrics
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ
Stream Noise (last week) HGE , HGN , HGZ
Location code M1
On date 04-04-2022 16:00:00
Off date -
Sensor model HypoSensor ES-DH
Sensor manufacturer Kinemetrics
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HG2 , HG3 , HGZ
Stream Noise (last week) HG2 , HG3 , HGZ
Location code M1
On date 23-09-2021 10:00:00
Off date 2022-04-04 16:00:00
Waveform Access open
Sensor model HypoSensor ES-DH
Sensor manufacturer Kinemetrics
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HG2 , HG3 , HGZ
Location code M1
On date 20-06-2019 00:00:00
Off date 2021-09-23 10:00:00
Waveform Access open
Sensor model HypoSensor ES-DH
Sensor manufacturer Kinemetrics
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ
Location code SF
On date 07-02-2023 12:00:00
Off date 2024-04-22 11:00:00
Waveform Access open
Sensor model EpiSensor ES-T
Sensor manufacturer Kinemetrics
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ
Location code SF
On date 04-04-2022 16:00:00
Off date 2023-02-07 12:00:00
Waveform Access open
Sensor model EpiSensor ES-T
Sensor manufacturer Kinemetrics
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ
Location code SF
On date 23-09-2021 10:00:00
Off date 2022-04-04 16:00:00
Waveform Access open
Sensor model EpiSensor ES-T
Sensor manufacturer Kinemetrics
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ
Location code SF
On date 20-06-2019 00:00:00
Off date 2021-09-23 10:00:00
Waveform Access open
Sensor model EpiSensor ES-T
Sensor manufacturer Kinemetrics
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ
Location code SF
On date 19-05-2019 00:00:00
Off date 2019-06-20 00:00:00
Waveform Access open
Sensor model EpiSensor ES-T
Sensor manufacturer Kinemetrics
Digitizer model Centaur
Digitizer manufacturer Nanometrics
Channels HGE , HGN , HGZ

Site Characterization

channel group
Empirical Amplification
CH.SBUS.BT.HG not available
CH.SBUS.M1.HG not available
CH.SBUS.SF.HG not available

Obtained from spectral modeling of small earthquakes with constant update.

  • Top: Fourier amplification with elastic (dashed line) and anelastic (solid line) amplification functions;
  • Centre: 5% damped response spectra amplification (anelastic);
  • Bottom: Number of recordings used.

See Edwards et al. (2013), Determination of Site Amplification from Regional Seismicity: Application to the Swiss National Seismic Networks. Seismological Research Letters, 84(4), 611–621.

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Authoritative Site Characterization Analysis details...
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